Vivitar MC Macro Focusing Zoom 70-210mm f/4.5 - Pentax Mount

The Vivitar 70-210mm lens is a push-pull zoom design that offers a constant maximum aperture of 4.5. It's macro function can only be entered at a focal length of 210mm and achieves a magnification ratio of ~1:4. It can be found in PKA mount, but the aperture lever shield must be trimed or removed (2 screws to remove it) to fit DSLRs. Serial number: 77315832 Focal range: 70-210mm Aperture: f4.5 to f32 Iris: 6 blades Focus throw: ~ 65 deg to 1.6m, ~90 deg to CFD 1.1m Filter: 52mm length at infinity: 135mm Weight: 530g Macro ~ 1:4 at 210mm. CFD normal: 1.6m; 1.1m at 210mm Barrel of lens is very nice with a great finish devoid of any scratches, pits or dents. Test on all markings is clear and sharp. No scratches, dust, fungus, separation, cleaning marks. Includes front and back lens caps. Last picture in the photo gallery was taken with this lens on day of posting its a Pentax K3 Mark III. Please message this seller with any questions you mat have. Thank you for looking.